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Write backup before deleting lowdb database (#291)

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* Write backup before deleting lowdb database

* Const for unchanged variables
This commit is contained in:
Matt Gibson
2021-03-02 11:25:45 -06:00
committed by GitHub
parent 3942868cf4
commit 36089fd68f
1 changed files with 7 additions and 0 deletions
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7
src/services/lowdbStorage.service.ts
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@@ -47,6 +47,13 @@ export class LowdbStorageService implements StorageService {
} catch (e) { } catch (e) {
if (e instanceof SyntaxError) { if (e instanceof SyntaxError) {
this.logService.warning(`Error creating lowdb storage adapter, "${e.message}"; emptying data file.`); this.logService.warning(`Error creating lowdb storage adapter, "${e.message}"; emptying data file.`);
if (fs.existsSync(this.dataFilePath)) {
const backupPath = this.dataFilePath + '.bak';
this.logService.warning(`Writing backup of data file to ${backupPath}`);
await fs.copyFile(this.dataFilePath, backupPath, err => {
this.logService.warning(`Error while creating data file backup, "${e.message}". No backup may have been created.`);
});
}
adapter.write({}); adapter.write({});
this.db = lowdb(adapter); this.db = lowdb(adapter);
} else { } else {